DIY American Ninja Warrior Backyard Obstacle Course - Five different elements. Build and re-build this obstacle course, and then it breaks down for storage. Storage ideas in the post.
Old Man Johnson, Inc. - obstacle course
32 Of The Best DIY Backyard Games You Will Ever Play - I wonder if I'm creative enough to come up with something like this.
Obstacle Course 2 More
DIY Obstacle Course in the Backyard - it's our favorite fun way to stay active with the kids!
Home Front Commercial Residential Outdoor Wood Play Equipment Children Monkey Climber
Turn pool noodles into a backyard obstacle course.
DIY Peg Wall For Kids And Adults, Backyard Ninja Obstacle Course, By Girl Meets Carpenter Featured On @Remodelaholic
Supernova Jungle Gym Accessories & Hardware Kit